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Finding the Fourth Proportional to 6,368.94, 8,792.10 and 4,248

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Solution

The fourth proportional to 6,368.94, 8,792.10 and 4,248 is: 5,864.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,368.94 : 8,792.10 = 4,248 : x
  2. Step 2: Convert to fraction form
    6,368.94/8,792.10 = 4,248/x
  3. Step 3: Cross multiply
    6,368.94x = 8,792.10 × 4,248
  4. Step 4: Simplify right side
    6,368.94x = 37,348,840.80
  5. Step 5: Solve for x
    x = 37,348,840.80/6,368.94
  6. Step 6: Final answer
    x = 5,864.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.